In a qualifying session expected to be dominated by Yamaha, Vinales blasted Jorge Lorenzo’s all-time lap record from 2018 of 1m31.629s with a 1m31.411s to lead a Yamaha 1-2-3-4.
Vinales set the early pace at 1m32.130s, though this was quickly beaten by his factory Yamaha teammate Valentino Rossi.
The FP3 pacesetter held provisional pole for all of 30 seconds, as Quartararo concluded the opening run of Q2 fastest of all with a 1m31.791s.
While the track was quiet, Vinales headed out for his second run and returned to top spot with a 1m31.787s with just under five minutes remaining.
As the rest headed back out, Vinales returned to pitlane for his second bike for a final run, while Morbidelli began setting the timing screens alight.
Morbidelli fired in a 1m31.723s to take over provisional pole on the ‘A-spec’ Yamaha – essentially a 2019 bike.
This was short-lived, however, as Vinales guided his works team M1 to a 1m31.411s to claim his second pole of the season and back-to-back Saturday successes at Misano – the Spaniard setting off the air bag in his leathers during his animated celebrations.
Morbidelli held onto second to claim his best qualifying result of the year, with Petronas Yamaha teammate Quartararo completing the front row.
Rossi heads the second row, missing the top three by…